FPCN39 CWLW 061330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT THURSDAY 6 SEPTEMBER 2001 FOR TODAY. MIXING HEIGHTS IN METRES ABOVE SEA LEVEL. AVERAGE WINDS IN KM/H. SUBTRACT 20 FROM THE VENTILATION INDEX IN VALLEYS IF THE MIXING HEIGHT IS BELOW THE HEIGHT OF LOCAL MOUNTAINS OR HILLS. 06-September-2001 SOUTHERN INTERIOR TODAY TOMORROW 7:00 AM 4:00 PM 4:00 PM VI WND MXG HT VI WND MXG HT VI WND MXG HT KM/H M KM/H M KM/H M FRASER CANYON 59/GOOD 18 881 80/GOOD 17 1414 71/GOOD 12 1575 KAMLOOPS 50/FAIR 22 758 57/GOOD 11 1362 74/GOOD 13 1686 OKANAGAN 45/FAIR 18 883 61/GOOD 17 1192 74/GOOD 13 1787 CASTLEGAR 30/POOR 14 794 72/GOOD 13 1761 87/GOOD 14 2179 CRANBROOK 40/FAIR 18 1303 99/GOOD 22 2494 99/GOOD 16 2895 REVELSTOKE 20/POOR 16 577 44/FAIR 13 1026 75/GOOD 12 1917 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 NW 28 NW 30 CRANBROOK N 17 NW 13 CENTRAL INTERIOR TODAY TOMORROW 7:00 AM 4:00 PM 4:00 PM VI WND MXG HT VI WND MXG HT VI WND MXG HT KM/H M KM/H M KM/H M QUESNEL 63/GOOD 15 1424 99/GOOD 31 2077 70/GOOD 11 1970 100 MILE 62/GOOD 14 1859 99/GOOD 30 2522 69/GOOD 13 2122 WILLIAMS LAKE 67/GOOD 16 1850 99/GOOD 30 2668 60/GOOD 10 2168 PUNTZI MTN 70/GOOD 25 1544 99/GOOD 35 2395 65/GOOD 14 1906 PRINCE GEORGE 79/GOOD 22 1586 99/GOOD 32 2191 90/GOOD 18 2112 BURNS LAKE 80/GOOD 32 1175 99/GOOD 33 2238 67/GOOD 20 1283 SMITHERS 48/FAIR 29 820 99/GOOD 29 1920 62/GOOD 22 1112 MCBRIDE 45/FAIR 16 1213 60/GOOD 22 1275 74/GOOD 14 1985 CLEARWATER 51/FAIR 16 973 64/GOOD 15 1292 71/GOOD 13 1654 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE W 57 W 59 SMITHERS W 70 W 72 NORTHERN BC/YUKON TODAY TOMORROW 7:00 AM 4:00 PM 4:00 PM VI WND MXG HT VI WND MXG HT VI WND MXG HT KM/H M KM/H M KM/H M FORT NELSON 17/POOR 17 469 99/GOOD 30 1878 87/GOOD 14 2079 FT ST JOHN 97/GOOD 30 1679 99/GOOD 35 2748 99/GOOD 32 2627 WHITEHORSE 89/GOOD 30 1538 99/GOOD 23 2077 48/FAIR 8 1786 DAWSON 52/FAIR 22 812 84/GOOD 16 1752 86/GOOD 15 1909 WATSON LAKE 68/GOOD 29 1211 99/GOOD 29 2094 67/GOOD 11 2007 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE W 54 W 74 WATSON LAKE W 65 W 57 WHITEHORSE W 61 NW 39 MAYO NW 26 N 26 COAST TODAY TOMORROW 7:00 AM 4:00 PM 4:00 PM VI WND MXG HT VI WND MXG HT VI WND MXG HT KM/H M KM/H M KM/H M VANCOUVER 13/POOR 3 235 55/GOOD 13 821 33/FAIR 11 447 FRASER VALLEY 33/FAIR 18 328 65/GOOD 17 881 50/FAIR 10 970 SRN VAN ISLD 35/FAIR 21 272 61/GOOD 16 788 12/POOR 2 284 CNTRL VAN ISLD 30/POOR 18 248 64/GOOD 15 915 33/FAIR 9 560 NRN VAN ISLD 37/FAIR 20 306 70/GOOD 20 805 54/GOOD 15 708 TERRACE 40/FAIR 19 554 75/GOOD 14 1502 22/POOR 21 339 STEWART 48/FAIR 19 462 56/GOOD 17 645 17/POOR 26 66 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER W 19 W 26 W 35 SANDSPIT W 30 W 37 W 50 PORT HARDY NW 37 W 41 W 59 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/